81606960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37781}}^1$

素因数の和:37803

約数の個数: 80

約数和(自身を含む): 281098080

約数和(自身を除く): 199491120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37781, 75562, 113343, 151124, 188905, 226686, 302248, 340029, 377810, 453372, 566715, 604496, 680058, 755620, 906744, 1020087, 1133430, 1360116, 1511240, 1700145, 1813488, 2040174, 2266860, 2720232, 3022480, 3400290, 4080348, 4533720, 5100435, 5440464, 6800580, 8160696, 9067440, 10200870, 13601160, 16321392, 20401740, 27202320, 40803480, 81606960]

約数ペア:

[(1, 81606960), (2, 40803480), (3, 27202320), (4, 20401740), (5, 16321392), (6, 13601160), (8, 10200870), (9, 9067440), (10, 8160696), (12, 6800580), (15, 5440464), (16, 5100435), (18, 4533720), (20, 4080348), (24, 3400290), (27, 3022480), (30, 2720232), (36, 2266860), (40, 2040174), (45, 1813488), (48, 1700145), (54, 1511240), (60, 1360116), (72, 1133430), (80, 1020087), (90, 906744), (108, 755620), (120, 680058), (135, 604496), (144, 566715), (180, 453372), (216, 377810), (240, 340029), (270, 302248), (360, 226686), (432, 188905), (540, 151124), (720, 113343), (1080, 75562), (2160, 37781)]